.captchaWrap {
  position: relative;
  .numBox {
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    .itemStr {
      flex: 1;
      text-align: center;
    }
  }
  .mask {
    position: absolute;
    height: 100%;
    top: 0;
    background: rgba(0, 0, 0, 0.3);
    color: white;
    z-index: 1;
    text-align: center;
    cursor: pointer;
  }
}
